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Table 3 Regression analysis. Adjusted odds ratio

From: Risk factors for childhood obesity at age 5: Analysis of the Millennium Cohort Study

Risk factor Odd ratio 95%CI
Ethnic group Asian (compared to White/European) 1.7* 1.2-2.3
Ethnic group African (compared to White/European) 2.7** 1.9-3.9
Birth weight (per kg increase in weight) 1.4 1.2-1.65
Does not enjoys physical activity (per unit increase (scale 1-5: 1 very much enjoys, 5 very much dislikes)) 1.4 1.2-1.5
Watches more than 3 hours of TV a day 1.3 1.1-1.7
Solid food before 3 months 1.2 1.02-1.5
Smoking near child 1.3 1.02-1.6
Mothers pre-pregnancy weight (> 60 Kg) 1.9 1.6-2.3
Leaving school at age 18 (A'level) compared to leaving at age 16 (no qualifications or O'levels). 0.55 0.4-0.77
Leaving school at age 20+ (University) compared to leaving school at 16 (no qualifications or O'levels). 0.67 0.53-0.83
Income >£20,800 (compared to <£10,400) 0.84 0.67-1.0
Income £10,400-£20,800 (compared to <£10,400) 0.76 0.61-0.93
Indoor activities (per unit increase on a 0-30 scale). 1.06 1.03-1.08
  1. * Risk Ratio = 1.6 (95%CI: 1.2-2.1). Indian = 1.1 (95%CI: 0.6-2.0), Pakistani = 1.5 (1.0-2.2), Bangladeshi = 2.1 (1.2-3.7), Other Asian = 1.6 (95%CI: 0.6-4.6).
  2. ** Risk Ratio = 2.5 (95%CI: 1.8-3.4)